Art of making swivel-axles.



J. P. NIELSEN. ART or MAKINGSWIVE'L AXLES. APPLICATlON FILED OCT. 94.1915- 1,179,134. Patented Apr. 11, 1916.

1. P. NIELSEN. "ART OF MAKING SWIVEL AXLESJ I APPLICATION FILED OCT. 9, I915- 1,179,134 Patented Apr. 11, 1916.

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JENS P. NIELSEN, 0F EUGENE, OREGQN.

T 0 all whom c'tmay concern. v .Be it known that I, drive P. NIELSEN, a citizen of the United States of America, and

g a resident of Eugene, county of Lane, State "of Oregon, have invented certain new and useful Improvements in the Art of Making SwiveLAXles, of which the following is a full and clear specification, reference being longitudinal sectional view showing my invent on appl ed to a car axle, in which the swivel 1 S arranged in the hub of one of the wheels; Fig. 3 is a transverse section on the line4..& of Fig. 1 showing the method of inserting the bars or rods which constitute 'the locking ring; Fig 4 is'a sectional view on the line H of Fig. 2 showing the locking-ring completed and in operative posimanner of applying my invention to a car axle divided midway thewheels; Fig. 6 is a view partly in side-elevation and partly in vertical section of the swivel shown in Fig. 5; Fig. 7 is a view similarto Fig. 6 showing the ;swivel as used on an old axle which is-severed midway its length and connected gbya twin-socket insert; and Fig. 8 is a vertlcal sectional v1ew' showing my improved swivel in a structure adapted for many-uses. The object of this invention is to provide a method of making a swivel coupling for axles and shafts which will produce .a coupling of simple construction and have a high degree of durability and accuracy in operation, as more fully hereinafter set forth. In its preferred form, my invention is embodied in two relatively rotatable mem bers a and b, the former member being provided with a pivot or stub shaft 0 and the latter member being provided with a socket d innvhich the pivot c has a nice rotatable fit, the member a being provided with an annular shoulder c which abuts against the end face of the socket d. The pivot is provided with an annular groove f, which groove is provided with a shoulder g which faces outwardly, that is, toward the shoulder e. .The interior of the socket is provided with all annulargroove'coincident with the groove f, this socket groove being provided with an annular shoulder h facin inwardly, that is, toward the shoulder g. annular ring 7:. is fitted nicely but rotatively within ART OF MAKING SWIVEL-AXLES.

Specification of Letters Patent. Patented Apr, 11, 1916,

Application filed October 9, 1915'. Serial No. 55,031.

filling these grooves and having its inner edge abutting against the shoulder g and its outer edge against the shoulder h. It will be seen that the ring it serves to lock the pivot in the socket and at the same time permit a free rotation thereof, whereby the two members a and b shall have a relative rotation. Suitable oil holes i are provided forjoiling the bearing surfaces of the pivot at either side of thegroove, but it will be understood,

'of course, that the oil deposited in these holes will not only work into the grooves but will also work, around the end of the pivot and onto the bearing face of the shoulder 6.

In assembling the parts, the locking ring is shaped into ring form in the act of inserting it into the corresponding grooves. In Fig. 3 I illustrate the manner of inserting the locking ring. Before insertion the locking ring consists of two straight bars of hard metal, preferably steel. These bars are heated to a degree sufficient topermit ready bending and are simultaneously forced into the grooves through opposite holes 3] formed in the socket member. The holes are slightly tangential so that as the bars are inserted they are bent around the-pivot in the same direction. The bars are of such length that when they are completely inserted, their ends meet'in the grooves and thus constitute virtually a single locking ring. During the act of inserting the rods, the pivot member may be allowed to rotate and thus facilitate the bending of the heated bars. The bars are of such dimensions'with respect to the grooves in the socket and the pivot that when they cool the locking ring will have a nice rotative fit within the grooves, so that the members a and b will have a relative rotation with respect to each other. After the bars are fully inserted, the holes 9' are plugged withpieces of steel 70 in such manner that the plugs will not jar out; and to avoid any possibility of these plugs biting into the locking ring, I place in the bottoms of the holes 3', against the outer surface of the locking ring, pieces Z of wood or other cushioning or packing material.

In all of the figures, except Fig. 8, the

This invention may be us on all kinds its highest utility in connection with railroad car aides, in that by the use of the two sections or simply of a single bar, and' it will be understood, therefore, that I desire to avoid restricting my claims to the use of the two-section method I have illustrated and described. It will be understood that a feature of importance in my method of assembling the device lies in the idea of employing the confinesof the annular channel formed by the coinciding grooves to properly bend the ring to the proper curvature during the act of inserting it, whereby the ring will have exactly the curvature needed and whereby also I may be enabled to make the ringof a hard metal that will possess the highest degree of wearing qualities.

Having thus described my invention,, what I claim is:

1. The method herein described of assembling axle swivels, in which one member is provided with a pivot entering a socket of the other member and is locked therein by an annular hard-metal ring lying in corresponding grooves in the pivot and the interior of the socket, consisting in simultaneously forming and positioning the ring by inserting the same in bar form through a hole in the wall of the socket, the bar being heated to bending temperature and being caused to follow the curvature of the 2. The method herein described of as-- sembling axle swivels, in which one member is provided with a pivot entering a socket of the other member and is locked therein by an annular hard-metal ring lying in corresponding grooves in the pivot and the interior of the socket, consisting in simultaneously forming and positioning the ring by inserting the same in sectional bar form through a plurality of holes in the wall of the socket, the bar being heated to bending temperature and being caused to follow the curvature of the pivot by the confines of the groove when thus forced into the socket, substantially as set forth.

3. The method herein described of assembling axle swivels, in which one member is provided With a pivot entering a socket of the other member and is locked therein by an annular hard-metal ring lying in corresponding grooves in the pivot and the interior of the socket, consisting in simultaneously forming and positioning the ring by inserting the same in bar form through a. hole in the wall of the socket, the bar being heated to bending temperature and' being caused to follow the curvature of the pivot by the confines of the groove when thus forced into the socket, and then plug ging the hole in the socket to completely confine and inclose the locking ring thus formed. I

In testimony whereof I hereunto afiix my signature.

- "anus, I. NIELSEN.

Copies of this patent may be obtainedflor five cents each, by addressing thefidimmiss1oner of Patents,

Washington, D. G. 

